sacuL

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sacuL has asked 9 questions and find answers to 226 problems.

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sacuL questions

convert multiple columns to datetime without the date in pandas
new column with running number in pandas, incremented conditionally
Replace string in dataframe if a condition in a different row is met
Categorical dtype changes after using melt
Efficiently find overlap of date-time ranges from 2 dataframes
Vectorized way to count occurrences of string in either of two columns
Merging pandas dataframes on 2 columns but in either order
How to tell flake8 to ignore comments
Why use pandas.assign rather than simply initialize new column?

sacuL answers

Convert dataframe index with format YYYYMM and type 'pandas.core.indexes.base.Index' to datetime index
%timeit tests run for variable number of loops for similar commands
Expand a pandas column without merge
building a structure of lists of strings with different size in python
Datetime from string doesn't match
More efficient way to clean dataframe than loc
shade region of interest in matplotlib chart [duplicate]
Connecting two numpy array channels
Pandas: Trying to drop rows based on for loop?
Function works on each row of data frame, but not using df.apply